To remain in God means to continue to have fellowship with God. Alternate translation: "continues to have fellowship with God" or "stays joined to God" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Conducting one's life is spoken of as if it were walking on a path. Alternate translation: "must live as he lived" or "should also obey God just as Jesus Christ did" (See: [[rc://en/ta/man/translate/figs-metaphor]])